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qcacmn: Add Vendor feature capability to notify TWT asynchronous response

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The response for the respective TWT operations can either be synchronous
or asynchronous (wherever specified). If synchronous, the response to
this operation is obtained in the corresponding vendor command reply to
the user space. For asynchronous case, the response is obtained as an
event with the same operation type.

Drivers shall support either of these modes but not both simultaneously.
The support for asynchronous mode is advertised through the new flag
QCA_WLAN_VENDOR_FEATURE_TWT_ASYNC_SUPPORT. If the driver does not
include this flag, it shall support synchronous mode.

Change-Id: I359e12c5147b0115158d03a7a08d74beca78455c
CRs-Fixed: 2842872
This commit is contained in:
Pragaspathi Thilagaraj 2020-12-22 01:02:14 +05:30 • committed by snandini
commit 2bd182cd7f
1 changed files with 34 additions and 7 deletions
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41
os_if/linux/qca_vendor.h
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@ -3738,6 +3738,13 @@ enum qca_wlan_vendor_attr_nd_offload {
* The driver-based SME cases also need to have this support for
* Adaptive 11r to handle the connection and roaming scenarios.
* This flag indicates the support for the same to the user space.
* @QCA_WLAN_VENDOR_FEATURE_TWT_ASYNC_SUPPORT: Flag indicating whether the
* responses for the respective TWT operations are asynchronous (separate)
* event message) from the driver. If not specified, the responses are
* synchronous (in vendor command reply) to the request. Each TWT
* operation is specifically mentioned (against its respective)
* documentation) to support either of these or both modes.
*
* @NUM_QCA_WLAN_VENDOR_FEATURES: Number of assigned feature bits
*/
enum qca_wlan_vendor_features {
@ -3754,6 +3761,7 @@ enum qca_wlan_vendor_features {
QCA_WLAN_VENDOR_FEATURE_6GHZ_SUPPORT = 10,
QCA_WLAN_VENDOR_FEATURE_THERMAL_CONFIG = 11,
QCA_WLAN_VENDOR_FEATURE_ADAPTIVE_11R = 12,
QCA_WLAN_VENDOR_FEATURE_TWT_ASYNC_SUPPORT = 14,
NUM_QCA_WLAN_VENDOR_FEATURES /* keep last */
};
@ -8087,48 +8095,67 @@ enum qca_wlan_vendor_attr_wifi_test_config {
/**
* enum qca_wlan_twt_operation - Operation of the config TWT request
* Values for %QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_OPERATION.
* The response for the respective operations can be either synchronous or
* asynchronous (wherever specified). If synchronous, the response to this
* operation is obtained in the corresponding vendor command reply to the user
* space. For the asynchronous case the response is obtained as an event with
* the same operation type.
*
* Drivers shall support either of these modes but not both simultaneously.
* This support for asynchronous mode is advertised through the flag
* QCA_WLAN_VENDOR_FEATURE_TWT_ASYNC_SUPPORT. If this flag is not advertised,
* the driver shall support synchronous mode.
*
* @QCA_WLAN_TWT_SET: Setup a TWT session. Required parameters are configured
* through QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_PARAMS. Refers the enum
* qca_wlan_vendor_attr_twt_setup.
* qca_wlan_vendor_attr_twt_setup. Depending upon the
* @QCA_WLAN_VENDOR_FEATURE_TWT_ASYNC_SUPPORT capability, this is either a
* synchronous or asynchronous operation.
*
* @QCA_WLAN_TWT_GET: Get the configured TWT parameters. Required parameters are
* obtained through QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_PARAMS. Refers the enum
* qca_wlan_vendor_attr_twt_setup.
* qca_wlan_vendor_attr_twt_setup. This is a synchronous operation.
*
* @QCA_WLAN_TWT_TERMINATE: Terminate the TWT session. Required parameters are
* obtained through QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_PARAMS. Refers the enum
* qca_wlan_vendor_attr_twt_setup. Valid only after the TWT session is setup.
* This terminate can either get triggered by the user space or can as well be
* a notification from the firmware if it initiates a terminate.
* Depending upon the @QCA_WLAN_VENDOR_FEATURE_TWT_ASYNC_SUPPORT capability,
* the request from user space can either be a synchronous or asynchronous
* operation.
*
* @QCA_WLAN_TWT_SUSPEND: Suspend the TWT session. Required parameters are
* obtained through QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_PARAMS. Refers the enum
* qca_wlan_vendor_attr_twt_setup. Valid only after the TWT session is setup.
* Depending upon the @QCA_WLAN_VENDOR_FEATURE_TWT_ASYNC_SUPPORT capability,
* this is either a synchronous or asynchronous operation.
*
* @QCA_WLAN_TWT_RESUME: Resume the TWT session. Required parameters are
* configured through QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_PARAMS. Refers the enum
* qca_wlan_vendor_attr_twt_resume. Valid only after the TWT session is setup.
* This can as well be a notification from the firmware on a QCA_WLAN_TWT_NUDGE
* request.
* request. Depending upon the @QCA_WLAN_VENDOR_FEATURE_TWT_ASYNC_SUPPORT
* capability, this is either a synchronous or asynchronous operation.
*
* @QCA_WLAN_TWT_NUDGE: Suspend and resume the TWT session. TWT nudge is a
* combination of suspend and resume in a single request. Required parameters
* are configured through QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_PARAMS. Refers the
* enum qca_wlan_vendor_attr_twt_nudge. Valid only after the TWT session is
* setup.
* setup. Depending upon the @QCA_WLAN_VENDOR_FEATURE_TWT_ASYNC_SUPPORT
* capability, this is either a synchronous or asynchronous operation.
*
* @QCA_WLAN_TWT_GET_STATS: Get the TWT session traffic statistics information.
* Refers the enum qca_wlan_vendor_attr_twt_stats. Valid only after the TWT
* session is setup.
* session is setup. It's a synchronous operation.
*
* @QCA_WLAN_TWT_CLEAR_STATS: Clear TWT session traffic statistics information.
* Valid only after the TWT session is setup.
* Valid only after the TWT session is setup. It's a synchronous operation.
*
* @QCA_WLAN_TWT_GET_CAPABILITIES: Get TWT capabilities of this device and its
* peer. Refers the enum qca_wlan_vendor_attr_twt_capability. It's a synchronous
* operation, i.e., the capabilities are obtained in the corresponding
* vendor command reply to the user space.
* operation.
*
* @QCA_WLAN_TWT_SETUP_READY_NOTIFY: Notify userspace that the firmare is
* ready for a new TWT session setup after it issued a twt teardown.